A. (0, 1)
B. (1, 2)
C. (-1, 2)
D. (1, -2)
The function f(x)=a sin x+1/3x has maximum value at x =π/3. The value of a is
The portion of the tangent drawn at any point on x2/3+y2/3=a2/3 (a>0), except the points on the coordinate axes, included between the coordinate axes is
The length of the tangent of the curve 2x2+3xy-2y2=8 at (2, 3) is
The stationary point of f(x)=2x3-9x2+12x-3 is
The length of the sub tangent of the curve y2=x3/2a-x at (a, a) is
The length of the sub normal to the curve y2=4ax at any point
The point on the curve x2+y2-2x-3=0 at which the tangent is parallel to x-axis is
The equation of the tangent to the curve 2x2-xy+3y2=18 at (3, 1) is
If there is an error of 0.02 cm in the measurement of the side 10 cm of a cube, then error in the surface area is
The side of an equilateral triangle increases at the uniform rate 0.05 cm/sec. the rate of increase in the area of the triangle when the side is 20 cm is